|
|
|
4
|
Mucous folds in voice box
|
|
6
|
part that controls breathing
|
|
7
|
breathing in
|
|
9
|
chest area
|
|
10
|
thick muscle in lower part of chest
|
|
12
|
air sacs
|
|
14
|
breathing out
|
|
17
|
passageway for food
|
|
|
|
|
|
|
1
|
windpipe
|
|
2
|
thick, sticky substance
|
|
3
|
thin tissue covering lungs and thorax
|
|
4
|
transports carbon dioxide to the lungs
|
|
5
|
smallest blood vessels
|
|
6
|
branch of windpipe
|
|
8
|
hairs that clean dirt out of air in nasal passages
|
|
11
|
part of lungs called
|
|
13
|
hollow spaces in skull
|
|
15
|
area at back of mouth
|
|
16
|
transports oxygenated blood throughout body
|
|
18
|
cartilage that divides nose in two parts
|
|
|
|
